Ballpoint pen



FIG. 1 is a perspective view of the ballpoint pen showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side being a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view thereof with the cap removed and not shown for convenience of illustration; and,

FIG. 8 is a perspective view thereof with the cap removed and not shown for convenience of illustration. 

The ornamental design for a ballpoint pen, as shown and described. 